Property photo 1
6 Beds
5 Baths
5,797 sqft

$4,000,000

1809 Diamond Knoll, Diamond Bar CA, 91765

Price per sqft$690.01
Built in1992
Property size5,797 sqft
Property typeResidential
Listed by Monica De La Riva CA DRE# 01782939 with Lux Bancorp 714-552-4222

Overview

Active

Listed Oct 6, 2026

Updated 6h ago

STUNNING DIAMOND BAR ESTATE WITH PANORAMIC VIEWS! Welcome to luxury living in an exclusive gated community in the prestigious Diamond Bar Hills. This immaculate estate offers breathtaking mountain views, soaring vaulted ceilings, beautiful hardwood floors, and an open, light filled floor plan. The gourmet kitchen features quartz countertops, oversized island, stainless-steel appliances, and a stunning glass tile backsplash. The spacious primary suite offers panoramic views and a private wrap-around balcony. Step into your own resort style backyard with a sparkling pool & spa, waterfall grotto, hot tub, built-in BBQ, and gazebo perfect for entertaining or relaxing. A guest house and private gym add even more versatility. Located near premier golf, dining, fitness, and highly acclaimed Walnut Valley Unified schools. Privacy. Luxury. Views. Resort-style living. This exceptional Diamond Bar estate is one you won’t want to miss!

$26,612/mo

Est. mortgage payment based on a $4,000,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
DW26217188

Interior Features

Bedrooms
6
Bathrooms
5
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
1.04 Acres

Other Property Details

Association Fee Frequency
Monthly
Garage
Yes
View
Yes
Pool
Yes
55+/Senior Community
No
MLS provider logo

Listed by Monica De La Riva CA DRE# 01782939 with Lux Bancorp 714-552-4222

Based on information from the California Regional Multiple Listing Service (CRMLS) as of 10/7/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. Any offer of compensation is made only to participants of the MLS where the listing is filed.

©2026 California Regional Multiple Listing Service (CRMLS) all rights reserved.

Data last updated on 10/7/2026 at 1:20 PM UTC Last Checked: 1:20 PM UTC

 

 

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